diff --git a/doc/code_structure.doxygen b/doc/code_structure.doxygen
index 454f17975..3a3b21b72 100644
--- a/doc/code_structure.doxygen
+++ b/doc/code_structure.doxygen
@@ -130,7 +130,7 @@ with with hostapd. The following C files are currently used:
 	Definition of TLS library wrapper
 
 \ref tls_none.c
-	Dummy implementation of TLS library wrapper for cases where TLS
+	Stub implementation of TLS library wrapper for cases where TLS
 	functionality is not included.
 
 \ref tls_openssl.c
diff --git a/hostapd/hlr_auc_gw.milenage_db b/hostapd/hlr_auc_gw.milenage_db
index c156a29ae..a25065310 100644
--- a/hostapd/hlr_auc_gw.milenage_db
+++ b/hostapd/hlr_auc_gw.milenage_db
@@ -3,7 +3,7 @@
 # 4.3.20 Test Set 20. SQN is the last used SQN value.
 # These values can be used for both UMTS (EAP-AKA) and GSM (EAP-SIM)
 # authentication. In case of GSM/EAP-SIM, AMF and SQN values are not used, but
-# dummy values will need to be included in this file.
+# stub values will need to be included in this file.
 
 # IMSI Ki OPc AMF SQN [RES_len]
 232010000000000 90dca4eda45b53cf0f12d7c9c3bc6a89 cb9cccc4b9258e6dca4760379fb82581 61df 000000000000
diff --git a/src/crypto/crypto_internal-rsa.c b/src/crypto/crypto_internal-rsa.c
index dc7f350af..0c5ceadb8 100644
--- a/src/crypto/crypto_internal-rsa.c
+++ b/src/crypto/crypto_internal-rsa.c
@@ -14,7 +14,7 @@
 #include "tls/pkcs1.h"
 #include "tls/pkcs8.h"
 
-/* Dummy structures; these are just typecast to struct crypto_rsa_key */
+/* Stub structures; these are just typecast to struct crypto_rsa_key */
 struct crypto_public_key;
 struct crypto_private_key;
 
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 7ad72b54c..9a9a146f7 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -5160,7 +5160,7 @@ static int wpa_driver_nl80211_sta_add(void *priv,
 			/*
 			 * cfg80211 validates that AID is non-zero, so we have
 			 * to make this a non-zero value for the TDLS case where
-			 * a dummy STA entry is used for now and for a station
+			 * a stub STA entry is used for now and for a station
 			 * that is still not associated.
 			 */
 			wpa_printf(MSG_DEBUG, "  * aid=1 (%s workaround)",
diff --git a/src/eap_peer/eap_proxy_dummy.c b/src/eap_peer/eap_proxy_dummy.c
index 2cc05c92c..181e8cc74 100644
--- a/src/eap_peer/eap_proxy_dummy.c
+++ b/src/eap_peer/eap_proxy_dummy.c
@@ -1,5 +1,5 @@
 /*
- * EAP proxy - dummy implementation for build testing
+ * EAP proxy - stub implementation for build testing
  * Copyright (c) 2013 Qualcomm Atheros, Inc.
  *
  * This software may be distributed under the terms of the BSD license.
diff --git a/src/eap_peer/eap_tls_common.h b/src/eap_peer/eap_tls_common.h
index 183b7de00..9ac00121f 100644
--- a/src/eap_peer/eap_tls_common.h
+++ b/src/eap_peer/eap_tls_common.h
@@ -92,7 +92,7 @@ struct eap_ssl_data {
  /* could be up to 128 bytes, but only the first 64 bytes are used */
 #define EAP_TLS_KEY_LEN 64
 
-/* dummy type used as a flag for UNAUTH-TLS */
+/* stub type used as a flag for UNAUTH-TLS */
 #define EAP_UNAUTH_TLS_TYPE 255
 #define EAP_WFA_UNAUTH_TLS_TYPE 254
 
diff --git a/src/eap_server/eap_tls_common.h b/src/eap_server/eap_tls_common.h
index b0b736123..b0723a1fa 100644
--- a/src/eap_server/eap_tls_common.h
+++ b/src/eap_server/eap_tls_common.h
@@ -68,7 +68,7 @@ struct eap_ssl_data {
  /* could be up to 128 bytes, but only the first 64 bytes are used */
 #define EAP_TLS_KEY_LEN 64
 
-/* dummy type used as a flag for UNAUTH-TLS */
+/* stub type used as a flag for UNAUTH-TLS */
 #define EAP_UNAUTH_TLS_TYPE 255
 #define EAP_WFA_UNAUTH_TLS_TYPE 254
 
diff --git a/src/l2_packet/l2_packet_none.c b/src/l2_packet/l2_packet_none.c
index bc7a4e82d..6783d7391 100644
--- a/src/l2_packet/l2_packet_none.c
+++ b/src/l2_packet/l2_packet_none.c
@@ -1,5 +1,5 @@
 /*
- * WPA Supplicant - Layer2 packet handling example with dummy functions
+ * WPA Supplicant - Layer2 packet handling example with stub functions
  * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
diff --git a/src/wps/wps_upnp.c b/src/wps/wps_upnp.c
index ff58cb938..05bb9c585 100644
--- a/src/wps/wps_upnp.c
+++ b/src/wps/wps_upnp.c
@@ -658,7 +658,7 @@ static int subscription_first_event(struct subscription *s)
 		/*
 		 * There has been no events before the subscription. However,
 		 * UPnP device architecture specification requires all the
-		 * evented variables to be included, so generate a dummy event
+		 * evented variables to be included, so generate a stub event
 		 * for this particular case using a WSC_ACK and all-zeros
 		 * nonces. The ER (UPnP control point) will ignore this, but at
 		 * least it will learn that WLANEvent variable will be used in
diff --git a/tests/hwsim/auth_serv/hlr_auc_gw.milenage_db b/tests/hwsim/auth_serv/hlr_auc_gw.milenage_db
index 1c494f773..fefe5145f 100644
--- a/tests/hwsim/auth_serv/hlr_auc_gw.milenage_db
+++ b/tests/hwsim/auth_serv/hlr_auc_gw.milenage_db
@@ -3,7 +3,7 @@
 # 4.3.20 Test Set 20. SQN is the last used SQN value.
 # These values can be used for both UMTS (EAP-AKA) and GSM (EAP-SIM)
 # authentication. In case of GSM/EAP-SIM, AMF and SQN values are not used, but
-# dummy values will need to be included in this file.
+# stub values will need to be included in this file.
 
 # IMSI Ki OPc AMF SQN
 232010000000000 90dca4eda45b53cf0f12d7c9c3bc6a89 cb9cccc4b9258e6dca4760379fb82581 61df 000000000000
diff --git a/tests/hwsim/vm/inside.sh b/tests/hwsim/vm/inside.sh
index 9d4a933fe..8ba7ce43d 100755
--- a/tests/hwsim/vm/inside.sh
+++ b/tests/hwsim/vm/inside.sh
@@ -53,7 +53,7 @@ ln -s /proc/self/fd/2 /dev/stderr
 
 echo "VM has started up" > /dev/ttyS0
 
-# create dummy sudo - everything runs as uid 0
+# create stub sudo - everything runs as uid 0
 mkdir /tmp/bin
 cat > /tmp/bin/sudo << EOF
 #!/bin/bash
diff --git a/wlantest/rx_eapol.c b/wlantest/rx_eapol.c
index d5e10debf..e754f5ff9 100644
--- a/wlantest/rx_eapol.c
+++ b/wlantest/rx_eapol.c
@@ -703,7 +703,7 @@ static void rx_data_eapol_key_3_of_4(struct wlantest *wt, const u8 *dst,
 			    decrypted, decrypted_len);
 	}
 	if ((wt->write_pcap_dumper || wt->pcapng) && decrypted != key_data) {
-		/* Fill in a dummy Data frame header */
+		/* Fill in a stub Data frame header */
 		u8 buf[24 + 8 + sizeof(*eapol) + sizeof(*hdr) + 64];
 		struct ieee80211_hdr *h;
 		struct wpa_eapol_key *k;
@@ -926,7 +926,7 @@ static void rx_data_eapol_key_1_of_2(struct wlantest *wt, const u8 *dst,
 	wpa_hexdump(MSG_DEBUG, "Decrypted EAPOL-Key Key Data",
 		    decrypted, decrypted_len);
 	if (wt->write_pcap_dumper || wt->pcapng) {
-		/* Fill in a dummy Data frame header */
+		/* Fill in a stub Data frame header */
 		u8 buf[24 + 8 + sizeof(*eapol) + sizeof(*hdr) + 64];
 		struct ieee80211_hdr *h;
 		struct wpa_eapol_key *k;
diff --git a/wpa_supplicant/config_none.c b/wpa_supplicant/config_none.c
index 2aac28fa3..0bc977e39 100644
--- a/wpa_supplicant/config_none.c
+++ b/wpa_supplicant/config_none.c
@@ -5,7 +5,7 @@
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
  *
- * This file implements dummy example of a configuration backend. None of the
+ * This file implements stub example of a configuration backend. None of the
  * functions are actually implemented so this can be used as a simple
  * compilation test or a starting point for a new configuration backend.
  */